matchRegex static method

String? matchRegex(
  1. String? value,
  2. String pattern, {
  3. String? errorMessage,
})

Implementation

static String? matchRegex(String? value, String pattern,
    {String? errorMessage}) {
  final regex = RegExp(pattern);
  if (!regex.hasMatch(value ?? '')) {
    return errorMessage ?? 'Invalid input';
  }
  return null;
}